Christmas Streak 38/88: Triangle Chase

Geometry Level 3

There are non-degenerate triangles A B C , P Q R ABC,~PQR and P Q R . P'Q'R'.

P , P P,~P' are on line segment A B , AB, and Q , Q Q,~Q' are on line segment B C , BC, and R , R R,~R' are on line segment C A . CA.

What is the minimal number of points that P Q R \triangle PQR and P Q R \triangle P'Q'R' intersect?


This problem is a part of <Christmas Streak 2017> series .

5 2 4 1 6 0 3

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1 solution

Boi (보이)
Nov 7, 2017

’nuff said. \Huge \text{'nuff said.}

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